CSS requires Spindle Feedback and an index pulse once per rev.
Rigid tapping in addition requires a way to reverse the spindle.

On my knee mill I use an Automation Direct GS2 VFD with the modbus 
component of the same name and an encoder connected to the spindle.

JT

On 6/29/2014 5:46 AM, Marius Liebenberg wrote:
> I am finding it necessary to reconfigure my lathe as I cannot operate it
> properly as I have it setup now. I need some advice please.
>
> What I have.
> Mesa 5125 with a Mesa 7i76
> Photo interrupter spindle speed counter
> AC motor without VFD
> Joystick type of jog
> Gmoccapy or Gscreen
> Manual tool change (tool changer to come)
>
> Seeing that I am going to redo the configuration, please tell me what is
> required to operate a lathe at best. If a VFD is required I will do that.
> I want to be able to cut using CSS and I will want to do rigid tapping
> as well. The tool changer will have a rotary tool attachment.
> What do the machining gurus suggest?
>
>
>


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